Abstract: A bearing mechanism for a pedal for bicycles and the like includes a pedal pin having a threaded end for the assembly in cantilever fashion of the pin on the end of the respective pedal-crank, a beaker-shaped pedal body rotatably mounted on the pedal pin by a roller-bearing placed near the outer extremity of the pedal pin, a pair of ball-bearings and a threaded ring-nut screwed into a threaded portion of the wide mouth of the beaker-shaped body for the axial locking of the various components of the device. Both of the ball-bearings are placed near the wide mouth of the beaker-shaped body.